{
  "$schema": "https://json-structure.org/meta/core/v0/#",
  "$id": "https://spica.unil.ch/structures/project.json",
  "name": "SpicaProject",
  "type": "object",
  "description": "JSON Structure for a SPICA atlas project.",
  "properties": {
    "id": { "type": "int32", "description": "Internal project identifier." },
    "public_id": { "type": "int32", "description": "Public-facing identifier." },
    "key": { "type": "string", "description": "Short alphanumeric project key." },
    "name": { "type": "string", "description": "Human-readable project name." },
    "description": { "type": "string", "description": "Project / experiment description." },
    "ref_id": { "type": "int32", "description": "Reference atlas identifier." },
    "project_attrs": {
      "type": "map",
      "description": "Variable experimental attributes.",
      "values": { "type": "string" }
    },
    "nber_samples": { "type": "int32", "description": "Number of samples." },
    "created_at": { "type": "datetime", "description": "Creation timestamp." },
    "updated_at": { "type": "datetime", "description": "Last update timestamp." },
    "url": { "type": "uri", "description": "Canonical project JSON URL." }
  },
  "required": ["id", "name", "ref_id", "url"]
}